dif·fe·ren·tial1 /ˌdɪfəˈrenʃəl◂/ noun [countableC] 1 DIFFERENT formal a difference between things, especially between the wages of people doing different types of jobs in the same industry or profession 差别;〔尤指同行业不同工作之间的〕工资级差pay/wage/salary differential 工资差别